Senior Data Analyst
• Drove the full-cycle development and optimization of advanced predictive models using Python and data science libraries, employing cross-validation, hyperparameter tuning, and A/B testing to improve predictive accuracy by 40% and optimise operations across multiple business units.• Engineered user behaviour models and interactive dashboards using Python, Tableau, and Power BI, leveraging data visualisation best practices to enhance decision-making efficiency by 10% and rapidly identify operational issues. • Spearheaded the integration of large, multi-terabyte datasets by building a scalable ETL pipeline using Snowflake, SQL, SSIS, and Informatica, reducing data retrieval times by 30% and enabling more effective data-driven decision-making across various business units.• Transformed stakeholder engagement by developing interactive reports with Tableau and Power BI, clarifying strategic insights and improving operational performance by 28%. • Facilitated cross-functional communication by presenting complex data science concepts to stakeholders, and mentored a team of 8 data analysts, enhancing their technical skills and fostering a collaborative team environment.
